ISLE DE JEAN CHARLES, La. - A $48 million grant for Isle de Jean Charles, La., is the first allocation of federal tax dollars to move an entire community struggling with the effects of climate change. With a first-of-its-kind "climate resilience" grant to resettle the island's native residents, Washington is ready to help. "Yes, this is our grandpa's land," Ms. Bourg said. "But it's going under one way or another." In January, the Department of Housing and Urban Development announced grants totaling $1 billion in 13 states to help communities adapt to climate change, by building stronger levees, dams and...